Chandrasekhara Venkata Raman
Nobel Prize-winning physicist who discovered the Raman Effect, the scattering of light by molecules. He was the first Asian to receive the Nobel Prize in Physics (1930) for his groundbreaking work in light scattering.
Biography
Chandrasekhara Venkata Raman was an Indian physicist who changed the way we understand light scattering with his discovery of the Raman effect, earning him the Nobel Prize in Physics in 1930. Born on November 7, 1888, in Tiruchirappalli to Tamil Brahmin parents, Raman showed remarkable academic talent from a young age. He completed his secondary education at St Aloysius' Anglo-Indian High School by age 11 and finished higher secondary education at 13. By 16, he had topped his bachelor's degree exam at Presidency College, University of Madras, with honors in physics, and completed his master's degree the next year.
Despite his passion for science, Raman had to join the Indian Finance Service in Calcutta as Assistant Accountant General at 19, because academic opportunities in India were limited. However, being close to the Indian Association for the Cultivation of Science (IACS) allowed him to do independent research in his free time. At IACS, he did important work in acoustics and optics, building his reputation in the scientific community. He published his first research paper on light diffraction in 1906 while still a graduate student.
In 1917, Raman left the Finance Service to become the first Palit Professor of Physics at Rajabazar Science College under the University of Calcutta, appointed by Ashutosh Mukherjee. This role let him focus fully on scientific research. During a trip to Europe, he noticed the blue color of the Mediterranean Sea and questioned the idea that it was just reflected light from the sky. This led to his studies on light scattering.
Raman's major discovery came in 1928 when he and his student K.S. Krishnan found that light passing through transparent materials changed wavelength when deflected. Using a spectrograph he had developed, they spotted this new kind of light scattering, initially called 'modified scattering' and later named the Raman effect. This discovery became a new method to study molecular structure and chemical composition. In 1930, Raman became the first Asian and non-White person to receive the Nobel Prize in Physics for his work. He continued his research career, establishing institutions and mentoring students until his death in Bengaluru on November 21, 1970.
Before Fame
Raman's journey to becoming a prominent scientist began in colonial India, where there were few educational and research opportunities for Indians. Coming from a family that valued learning, his father taught mathematics and physics, likely influencing Raman's early interest in science. The lack of advanced research facilities in India led many talented scientists to either give up their dreams or work within the restrictive colonial system.
The creation of the Indian Association for the Cultivation of Science in Calcutta was one of the few places where Indians could do independent research. Raman chose to work in government service while also conducting research at IACS, a choice reflecting the practical struggles of Indian intellectuals of his time. They had to juggle financial stability with their scientific goals in an environment that barely supported local research efforts.
Key Achievements
- Discovered the Raman effect in 1928, revealing inelastic scattering of light by molecules
- Became the first Asian and non-White person to win the Nobel Prize in Physics in 1930
- Founded the Indian Academy of Sciences in 1934 to promote scientific research in India
- Established the Raman Research Institute in Bangalore in 1948
- Published groundbreaking research on acoustics, optics, and crystal dynamics throughout his career
Did You Know?
- 01.He discovered the Raman effect on February 28, 1928, a date now celebrated annually in India as National Science Day
- 02.Raman was knighted by the British government in 1929, becoming Sir C.V. Raman, though he later gave up the title after India's independence
- 03.He founded the Indian Academy of Sciences in 1934 and served as its president
- 04.Raman established the Raman Research Institute in Bangalore in 1948 using his own funds and Nobel Prize money
- 05.He was known for his distinctive blue diamond tie pin, which he wore as a symbol of his fascination with the scattering of light
Family & Personal Life
Awards & Honors
| Award | Year | Details |
|---|---|---|
| Nobel Prize in Physics | 1930 | for his work on the scattering of light and for the discovery of the effect named after him |
| Lenin Peace Prize | 1957 | — |
| Bharat Ratna | 1954 | — |
| Fellow of the Royal Society | — | — |
| Hughes Medal | 1930 | — |
| Matteucci Medal | 1928 | — |
| Franklin Medal | 1941 | — |
| honorary doctor of the University of Calcutta | — | — |
| Knight Bachelor | — | — |
| Honorary Fellow of the Royal Society Te Apārangi | 1956 | — |
| honorary doctor of the University of Bordeaux | 1948 | — |
| doctor honoris causa from the University of Paris | 1932 | — |